`robust-software.com`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::2e2^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-02e2.elastic-ssl.ui-r.com`
A	217.160.0.19^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1073.ui-dns.de` ⭐
		A	2607:f1c0:fe:53:185:132:32:73^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1073.ui-dns.de`
		A	217.160.80.73^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1073.ui-dns.de`
NS	`ns1073.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5149:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1073.ui-dns.biz`
		A	217.160.81.73^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1073.ui-dns.biz`
NS	`ns1073.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5249:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1073.ui-dns.com`
		A	217.160.82.73^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1073.ui-dns.com`
NS	`ns1073.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5349:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1073.ui-dns.org`
		A	217.160.83.73^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1073.ui-dns.org`
MX	`mx00.ionos.co.uk` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.co.uk` ⭐
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	`ns1073.ui-dns.de`hostmaster@1and1.com 2016-06-20 #3

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774936777

Same first word

robust-software.com

DNS History

19 records (8 active, 11 former)

○NSns-uk.1and1-dns.biz2015-05-20 → 2016-12-31 · 4 obs

● 2015-05-20 20:10:14
● 2016-12-31 06:33:44
○ 2018-07-19 21:13:56
○ 2026-03-31 06:28:12

○NSns-uk.1and1-dns.co.uk2015-05-20 → 2016-12-31 · 4 obs

● 2015-05-20 20:10:14
● 2016-12-31 06:33:44
○ 2018-07-19 21:13:56
○ 2026-03-31 06:28:12

○NSns-uk.1and1-dns.com2015-05-20 → 2016-12-31 · 4 obs

● 2015-05-20 20:10:14
● 2016-12-31 06:33:44
○ 2018-07-19 21:13:56
○ 2026-03-31 06:28:12

○NSns-uk.1and1-dns.org2015-05-20 → 2016-12-31 · 4 obs

● 2015-05-20 20:10:14
● 2016-12-31 06:33:44
○ 2018-07-19 21:13:56
○ 2026-03-31 06:28:12

●NSns1073.ui-dns.biz2018-07-19 → 2026-03-31 · 3 obs

○ 2016-12-31 06:33:44
● 2018-07-19 21:13:56
● 2026-03-31 06:28:12

●NSns1073.ui-dns.com2018-07-19 → 2026-03-31 · 3 obs

○ 2016-12-31 06:33:44
● 2018-07-19 21:13:56
● 2026-03-31 06:28:12

●NSns1073.ui-dns.de2018-07-19 → 2026-03-31 · 3 obs

○ 2016-12-31 06:33:44
● 2018-07-19 21:13:56
● 2026-03-31 06:28:12

●NSns1073.ui-dns.org2018-07-19 → 2026-03-31 · 3 obs

○ 2016-12-31 06:33:44
● 2018-07-19 21:13:56
● 2026-03-31 06:28:12

○MXmx00.1and1.co.uk2015-05-20 → 2018-07-19 · 4 obs

● 2015-05-20 20:10:14
● 2018-07-19 21:13:56
○ 2026-02-19 06:51:58
○ 2026-03-31 06:28:12

●MXmx00.ionos.co.uk2026-02-19 → 2026-03-31 · 3 obs

○ 2018-07-19 21:13:56
● 2026-02-19 06:51:58
● 2026-03-31 06:28:12

○MXmx01.1and1.co.uk2015-05-20 → 2018-07-19 · 4 obs

● 2015-05-20 20:10:14
● 2018-07-19 21:13:56
○ 2026-02-19 06:51:58
○ 2026-03-31 06:28:12

●MXmx01.ionos.co.uk2026-02-19 → 2026-03-31 · 3 obs

○ 2018-07-19 21:13:56
● 2026-02-19 06:51:58
● 2026-03-31 06:28:12

○A2001:8d8:1000:20fd:a31e:c5e3:fba7:98272016-12-31 → 2016-12-31 · 4 obs

○ 2016-04-10 15:16:14
● 2016-12-31 06:33:44
○ 2018-07-19 21:13:56
○ 2026-03-31 06:28:12

○A2001:8d8:1000:20fd:e8ba:1ef5:634e:a0142015-05-20 → 2016-04-10 · 4 obs

● 2015-05-20 20:10:14
● 2016-04-10 15:16:14
○ 2016-12-31 06:33:44
○ 2026-03-31 06:28:12

●A2001:8d8:100f:f000::2e22026-02-19 → 2026-03-31 · 3 obs

○ 2018-07-19 21:13:56
● 2026-02-19 06:51:58
● 2026-03-31 06:28:12

○A212.227.109.2162015-05-20 → 2016-04-10 · 4 obs

● 2015-05-20 20:10:14
● 2016-04-10 15:16:14
○ 2016-12-31 06:33:44
○ 2026-03-31 06:28:12

●A217.160.0.192026-02-19 → 2026-03-31 · 3 obs

○ 2018-07-19 21:13:56
● 2026-02-19 06:51:58
● 2026-03-31 06:28:12

○A217.160.233.2182016-12-31 → 2016-12-31 · 4 obs

○ 2016-04-10 15:16:14
● 2016-12-31 06:33:44
○ 2018-07-19 21:13:56
○ 2026-03-31 06:28:12

○A77.68.9.2192018-07-19 → 2018-07-19 · 4 obs

○ 2016-12-31 06:33:44
● 2018-07-19 21:13:56
○ 2026-02-19 06:51:58
○ 2026-03-31 06:28:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
robust-software.com	ns1073.ui-dns.de, ns1073.ui-dns.biz, ns1073.ui-dns.org, ns1073.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.83.73

NS records: ns1073.ui-dns.de, ns1073.ui-dns.biz, ns1073.ui-dns.org, ns1073.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for robust-software.com (unsigned zone)

⏱️ Timing

Total: 484ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.19`
AAAA	1	`2001:8d8:100f:f000::2e2`
NS	4	`ns1073.ui-dns.de, ns1073.ui-dns.org...`
MX	2	`mx01.ionos.co.uk (pri: 10), mx00.ionos.co.uk (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1073.ui-dns.de hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1073.ui-dns.com, ns1073.ui-dns.com)

Analysis

IP Addresses

robust-software.com resolves to two IPs: 2001:8d8:100f:f000::2e2 and 217.160.0.19.

other host names for instance escuelamontessori.es, kbs4u.de, hausampark-duelmen.com, etn-aviation.de and trainerteam.biz share IP numbers with robust-software.com.

Name Servers

robust-software.com is delegated to four name servers: ns1073.ui-dns.biz, ns1073.ui-dns.com, ns1073.ui-dns.de and ns1073.ui-dns.org.

robust-software.com at least partially shares name servers with other domains, for instance micromegamondes.com, gehoerlosenseelsorge.de, kilimanjaro.cafe, mat-lab.es and themathpage.com.

These name servers are commonly used with ns1111.ui-dns.biz, ns1104.ui-dns.com, ns1079.ui-dns.de and ns1022.ui-dns.org.

Host names with two IP numbers:

Host name ns1073.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:5149:100 and 217.160.81.73.

Host name ns1073.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:5249:100 and 217.160.82.73.

Host name ns1073.ui-dns.de points to: 2607:f1c0:fe:53:185:132:32:73 and 217.160.80.73.

Host name ns1073.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:5349:100 and 217.160.83.73.

Mail Servers

robust-software.com is handled by two mail servers: mx00.ionos.co.uk and mx01.ionos.co.uk.

robust-software.com shares the same mail server setup as other domains, for instance amaralondon.co.uk, jubilee.university, erforpets.com, giftingdirect.co.uk and xclusivechauffeurs.co.uk.

Host names with one IP number:

The host mx00.ionos.co.uk points to 212.227.15.41 and the host mx01.ionos.co.uk points to 217.72.192.67.

robust-software.com - robtex.com